Real MPG: Subaru WRX STI (2014 - 2018)
Powerful and vocal boxer engine. Responsive handling with mountains of grip. Large and practical interior.
Running costs are huge. The attention-seeking exterior won't be for everyone. Cabin feels cheap and dated.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 2.5 | 25.9–27.2 mpg | - | 26.5 mpg | 100% |
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Subaru WRX STI (2014 - 2018)
Powerful and vocal boxer engine. Responsive handling with mountains of grip. Large and practical interior.
Rivals
| Subaru WRX STI (2014 - 2018) | 26.5 | avg mpg |
| Ford Focus ST (2015 - 2018) | 38.9 | avg mpg |
| MINI John Cooper Works (2015 on) | 33.7 | avg mpg |
| Honda Civic Type R (2015 - 2017) | 35.3 | avg mpg |
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